This drama tells the story of how the police arranged for special forces member Tang Shiyu to get close to the sister of drug lord Zhao Wenjiu in order to infiltrate the drug trafficking gang and capture him. Meanwhile, in the midst of the operation, Zhao's enemy, the notorious drug lord Chen Jiahua, enters China seeking revenge. Tang Shiyu finds herself caught between the two sides, collecting evidence while also making contact with Zhao's subordinates, including Hua Jiu. After a series of twists and turns, Hua Jiu begins to trust Tang Shiy...
